Minor wording and formatting cleanups.
Minor wording and formatting cleanups.

janebeckman/gpdb,xuegang/gpdb,techdragon/Postgres-XL,rvs/gpdb,xinzweb/gpdb,ashwinstar/gpdb,tpostgres-projects/tPostgres,lpetrov-pivotal/gpdb,yuanzhao/gpdb,yuanzhao/gpdb,Chibin/gpdb,atris/gpdb,tpostgres-projects/tPostgres,janebeckman/gpdb,randomtask1155/gpdb,0x0FFF/gpdb,xinzweb/gpdb,ashwinstar/gpdb,lisakowen/gpdb,royc1/gpdb,foyzur/gpdb,foyzur/gpdb,zeroae/postgres-xl,atris/gpdb,rvs/gpdb,oberstet/postgres-xl,ashwinstar/gpdb,greenplum-db/gpdb,kaknikhil/gpdb,Quikling/gpdb,xinzweb/gpdb,lintzc/gpdb,0x0FFF/gpdb,randomtask1155/gpdb,Chibin/gpdb,ahachete/gpdb,ovr/postgres-xl,royc1/gpdb,cjcjameson/gpdb,Chibin/gpdb,ashwinstar/gpdb,arcivanov/postgres-xl,lintzc/gpdb,snaga/postgres-xl,royc1/gpdb,chrishajas/gpdb,xuegang/gpdb,yuanzhao/gpdb,CraigHarris/gpdb,janebeckman/gpdb,chrishajas/gpdb,snaga/postgres-xl,ovr/postgres-xl,Postgres-XL/Postgres-XL,rubikloud/gpdb,lpetrov-pivotal/gpdb,zeroae/postgres-xl,greenplum-db/gpdb,cjcjameson/gpdb,lintzc/gpdb,atris/gpdb,pavanvd/postgres-xl,jmcatamney/gpdb,Postgres-XL/Postgres-XL,jmcatamney/gpdb,yazun/postgres-xl,50wu/gpdb,arcivanov/postgres-xl,atris/gpdb,tpostgres-projects/tPostgres,xuegang/gpdb,50wu/gpdb,snaga/postgres-xl,jmcatamney/gpdb,janebeckman/gpdb,0x0FFF/gpdb,chrishajas/gpdb,kmjungersen/PostgresXL,foyzur/gpdb,chrishajas/gpdb,foyzur/gpdb,zaksoup/gpdb,jmcatamney/gpdb,zeroae/postgres-xl,cjcjameson/gpdb,kaknikhil/gpdb,kaknikhil/gpdb,postmind-net/postgres-xl,xuegang/gpdb,lintzc/gpdb,lpetrov-pivotal/gpdb,yuanzhao/gpdb,edespino/gpdb,edespino/gpdb,lintzc/gpdb,Quikling/gpdb,Chibin/gpdb,lisakowen/gpdb,edespino/gpdb,kaknikhil/gpdb,Chibin/gpdb,Postgres-XL/Postgres-XL,0x0FFF/gpdb,zaksoup/gpdb,50wu/gpdb,rubikloud/gpdb,kaknikhil/gpdb,ahachete/gpdb,edespino/gpdb,Quikling/gpdb,rubikloud/gpdb,Quikling/gpdb,arcivanov/postgres-xl,techdragon/Postgres-XL,xinzweb/gpdb,ahachete/gpdb,Chibin/gpdb,yuanzhao/gpdb,ashwinstar/gpdb,lisakowen/gpdb,adam8157/gpdb,zaksoup/gpdb,edespino/gpdb,zaksoup/gpdb,50wu/gpdb,yuanzhao/gpdb,lintzc/gpdb,randomtask1155/gpdb,CraigHarris/gpdb,adam8157/gpdb,arcivanov/postgres-xl,Quikling/gpdb,chrishajas/gpdb,CraigHarris/gpdb,edespino/gpdb,lintzc/gpdb,janebeckman/gpdb,tangp3/gpdb,Postgres-XL/Postgres-XL,xinzweb/gpdb,rvs/gpdb,tangp3/gpdb,edespino/gpdb,arcivanov/postgres-xl,0x0FFF/gpdb,lisakowen/gpdb,yazun/postgres-xl,kaknikhil/gpdb,yuanzhao/gpdb,greenplum-db/gpdb,CraigHarris/gpdb,cjcjameson/gpdb,yuanzhao/gpdb,oberstet/postgres-xl,Chibin/gpdb,janebeckman/gpdb,0x0FFF/gpdb,CraigHarris/gpdb,lisakowen/gpdb,tangp3/gpdb,Quikling/gpdb,ahachete/gpdb,lpetrov-pivotal/gpdb,tpostgres-projects/tPostgres,foyzur/gpdb,rvs/gpdb,lisakowen/gpdb,Quikling/gpdb,chrishajas/gpdb,pavanvd/postgres-xl,Quikling/gpdb,greenplum-db/gpdb,foyzur/gpdb,rvs/gpdb,tpostgres-projects/tPostgres,ashwinstar/gpdb,xinzweb/gpdb,yuanzhao/gpdb,tangp3/gpdb,adam8157/gpdb,Chibin/gpdb,adam8157/gpdb,edespino/gpdb,foyzur/gpdb,rvs/gpdb,edespino/gpdb,CraigHarris/gpdb,CraigHarris/gpdb,techdragon/Postgres-XL,pavanvd/postgres-xl,jmcatamney/gpdb,zaksoup/gpdb,rvs/gpdb,xuegang/gpdb,jmcatamney/gpdb,zaksoup/gpdb,greenplum-db/gpdb,lisakowen/gpdb,janebeckman/gpdb,adam8157/gpdb,edespino/gpdb,ahachete/gpdb,tangp3/gpdb,rubikloud/gpdb,randomtask1155/gpdb,arcivanov/postgres-xl,50wu/gpdb,ahachete/gpdb,ovr/postgres-xl,zaksoup/gpdb,snaga/postgres-xl,kmjungersen/PostgresXL,cjcjameson/gpdb,xuegang/gpdb,50wu/gpdb,lisakowen/gpdb,cjcjameson/gpdb,cjcjameson/gpdb,chrishajas/gpdb,Chibin/gpdb,yazun/postgres-xl,0x0FFF/gpdb,techdragon/Postgres-XL,atris/gpdb,CraigHarris/gpdb,rubikloud/gpdb,ovr/postgres-xl,rvs/gpdb,CraigHarris/gpdb,adam8157/gpdb,kaknikhil/gpdb,randomtask1155/gpdb,janebeckman/gpdb,kmjungersen/PostgresXL,cjcjameson/gpdb,rubikloud/gpdb,kaknikhil/gpdb,foyzur/gpdb,Quikling/gpdb,chrishajas/gpdb,pavanvd/postgres-xl,tangp3/gpdb,Chibin/gpdb,50wu/gpdb,rubikloud/gpdb,royc1/gpdb,royc1/gpdb,postmind-net/postgres-xl,adam8157/gpdb,postmind-net/postgres-xl,ashwinstar/gpdb,techdragon/Postgres-XL,zeroae/postgres-xl,adam8157/gpdb,ahachete/gpdb,postmind-net/postgres-xl,lpetrov-pivotal/gpdb,randomtask1155/gpdb,kaknikhil/gpdb,xuegang/gpdb,janebeckman/gpdb,greenplum-db/gpdb,zaksoup/gpdb,ovr/postgres-xl,royc1/gpdb,janebeckman/gpdb,randomtask1155/gpdb,kmjungersen/PostgresXL,xuegang/gpdb,tangp3/gpdb,ashwinstar/gpdb,randomtask1155/gpdb,atris/gpdb,yazun/postgres-xl,royc1/gpdb,yuanzhao/gpdb,rvs/gpdb,lpetrov-pivotal/gpdb,xinzweb/gpdb,oberstet/postgres-xl,lpetrov-pivotal/gpdb,atris/gpdb,oberstet/postgres-xl,kmjungersen/PostgresXL,lpetrov-pivotal/gpdb,snaga/postgres-xl,cjcjameson/gpdb,rubikloud/gpdb,0x0FFF/gpdb,xinzweb/gpdb,cjcjameson/gpdb,pavanvd/postgres-xl,postmind-net/postgres-xl,lintzc/gpdb,lintzc/gpdb,rvs/gpdb,tangp3/gpdb,xuegang/gpdb,Quikling/gpdb,yazun/postgres-xl,ahachete/gpdb,jmcatamney/gpdb,royc1/gpdb,greenplum-db/gpdb,zeroae/postgres-xl,atris/gpdb,kaknikhil/gpdb,jmcatamney/gpdb,50wu/gpdb,oberstet/postgres-xl,greenplum-db/gpdb,Postgres-XL/Postgres-XL